Abstract
Abstract Three white clover cultivars, S184 (small‐leaved), Menna (medium‐leaved) and Olwen (large‐leaved), were broadcast or sown in 15, 30 or 60 cm drills at a seed rate of 3 kg ha ‐1 . The three cultivars were either sown without a cover‐crop or sown under a cover‐crop of spring barley (cv. Crescent) or peas (cv. Countess). The effects of these methods of establishment on the stolon growth and components of seed yield were subsequently measured. Stolon growth and development was influenced by row spacing, cultivar and season. The overall plant response at all but the widest row spacing (60 cm) was to increase stolon growth such that inflorescence production, the number and proportion of ripe inflorescences and the other seed yield components were unaffected by row spacing. Cultivars differed in their response to row spacing. Cultivar Olwen produced most inflorescences and more ripe inflorescences when broadcast, cv. S184 when sown at 60 cm row spacing and cv. Menna at 15 or 30 cm row spacing. Cultivars also differed in their response to cover‐crop, with cvs Menna and S184 producing more inflorescences and more ripe inflorescences when sown under barley and peas than when pure sown. The inflorescence production of cv. Olwen was not influenced by cover‐crop. The relationship between vegetative and reproductive growth is discussed in relation to establishment, cultivar and climate and the possible implications for the establishment of white clover seed crops in the UK.
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Claims 8
Claim · model-written summary
Stolon growth increased at row spacings narrower than 60 cm.
- Taxon
- white clover
Trifolium repenst0 - Treatment
- row spacinge0
- Outcome
- stolon growthe0
- Direction
- increasee0
- Comparator
- widest row spacing (60 cm)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The overall plant response at all but the widest row spacing (60 cm) was to increase stolon growth”
t0“white clover”
Claim · model-written summary
Inflorescence production, ripe inflorescence number and proportion, and other seed yield components were unaffected by row spacing.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- row spacinge0
- Outcome
- inflorescence production, the number and proportion of ripe inflorescencese0
- Direction
- unaffectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“inflorescence production, the number and proportion of ripe inflorescences and the other seed yield components were unaffected by row spacing”
t0“white clover”
Claim · model-written summary
Olwen produced most inflorescences and more ripe inflorescences when broadcast.
- Taxon
- white cloverTrifolium repenst0
- Material
- Olwene0
- Treatment
- broadcaste0
- Outcome
- inflorescences and more ripe inflorescencese0
- Direction
- moree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivar Olwen produced most inflorescences and more ripe inflorescences when broadcast”
t0“white clover”
Claim · model-written summary
S184 produced most inflorescences and more ripe inflorescences at 60 cm spacing.
- Taxon
- white cloverTrifolium repenst0
- Material
- S184e0
- Treatment
- 60 cm row spacinge0
- Outcome
- inflorescences and more ripe inflorescencese1
- Direction
- moree1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cv. S184 when sown at 60 cm row spacing”
e1“Cultivar Olwen produced most inflorescences and more ripe inflorescences when broadcast”
t0“white clover”
Claim · model-written summary
Menna produced most inflorescences and more ripe inflorescences at 15 or 30 cm spacing.
- Taxon
- white cloverTrifolium repenst0
- Material
- Mennae0
- Treatment
- 15 or 30 cm row spacinge0
- Outcome
- inflorescences and more ripe inflorescencese1
- Direction
- moree1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cv. Menna at 15 or 30 cm row spacing”
e1“Cultivar Olwen produced most inflorescences and more ripe inflorescences when broadcast”
t0“white clover”
Claim · model-written summary
Menna produced more inflorescences and ripe inflorescences under barley and peas than when pure sown.
- Taxon
- white cloverTrifolium repenst0
- Material
- Mennae0
- Treatment
- sown under barley and pease0
- Outcome
- inflorescences and more ripe inflorescencese0
- Direction
- moree0
- Comparator
- pure sowne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cvs Menna and S184 producing more inflorescences and more ripe inflorescences when sown under barley and peas than when pure sown”
t0“white clover”
Claim · model-written summary
S184 produced more inflorescences and ripe inflorescences under barley and peas than when pure sown.
- Taxon
- white cloverTrifolium repenst0
- Material
- S184e0
- Treatment
- sown under barley and pease0
- Outcome
- inflorescences and more ripe inflorescencese0
- Direction
- moree0
- Comparator
- pure sowne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cvs Menna and S184 producing more inflorescences and more ripe inflorescences when sown under barley and peas than when pure sown”
t0“white clover”
Claim · model-written summary
Olwen inflorescence production was unaffected by cover crop.
- Taxon
- white cloverTrifolium repenst0
- Material
- Olwene0
- Treatment
- cover‐crope0
- Outcome
- inflorescence productione0
- Direction
- not influencede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inflorescence production of cv. Olwen was not influenced by cover‐crop”
t0“white clover”
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density · growth · Trifolium repens (white clover)Positive and negative results
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- no effect
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density · yield · Trifolium repens (white clover)Positive and negative results
5 papers in the same direction as this paper · 4 in the opposite direction
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6 papers more in this group
See all 10 papers →cover crop · yield · Trifolium repens (white clover)Results agree
1 paper in the same direction as this paper
- no effect
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.